WD Ultrastar DC HC520 HUH721212AL5200 - hard drive - 12 TB - SAS 12Gb/s | HUH721212AL5200

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specs

General

  • Capacity
    12 TB
  • Interface
    SAS 12Gb/s
  • Buffer Size
    256 MB
  • Weight
    23.28 oz
  • Manufacturer
    Western Digital Corp.

Miscellaneous

  • MTBF
    2500000 hour(s)

Interface Provided

  • Qty
    1
  • Storage Interface
    Serial Attached SCSI 3

Expansion & Connectivity

  • Interfaces
    1 x SAS 12 Gb/s

Performance

  • Seek Time
    8 ms (average)
  • Drive Transfer Rate
    1.2 GBps (external)
  • Average Latency
    4.16 ms
  • Spindle Speed
    7200 rpm

Hard Drive

  • Form Factor
    3.5"
  • Spindle Speed
    7200 rpm
  • Features
    24x7 availability, advanced format 512e
  • Hard Drive Type
    hot-swap hard drive
  • Form Factor (Short)
    3.5"
  • Form Factor (metric)
    8.9 cm
  • Form Factor (Short) (metric)
    8.9 cm
  • Storage Interface
    Serial Attached SCSI 3
  • Interface
    Serial Attached SCSI 3
  • Average Seek Time
    8 ms
  • Average Latency
    4.16 ms
  • Data Transfer Rate
    1.2 GBps
  • Buffer Size
    256 MB
  • Non-Recoverable Errors
    1 per 10^15
  • Load / Unload Cycles
    600,000
  • 24x7 Operation
    Yes

Environmental Parameters

  • Min Storage Temperature
    -40 °F
  • Max Storage Temperature
    158 °F
  • Min Operating Temperature
    41 °F
  • Max Operating Temperature
    140 °F

Header

  • Brand
    WD
  • Packaged Quantity
    1

Dimensions & Weight

  • Width
    4 in
  • Depth
    5.8 in
  • Height
    1 in
  • Weight
    23.28 oz

Power Consumption

  • Mode
    active, idle
  • Value
    6.1 Watt, 9.8 Watt

Service & Support

  • Type
    5 years warranty

Service & Support Details

  • Type
    limited warranty
  • Full Contract Period
    5 years

Shock & Vibration Tolerance

  • Shock Acceleration (Operating)
    70 g
  • Shock Duration (Operating)
    2 ms half-sine wave
  • Shock Acceleration (Non-operating)
    300 g
  • Shock Duration (Non-operating)
    2 ms half-sine wave
  • Vibration Acceleration (Operating)
    0.67 g
  • Vibration Frequency Range (Operating)
    5-500 Hz
  • Vibration Acceleration (Non-operating)
    1.04 g
  • Vibration Frequency Range (Non-operating)
    2-200 Hz

Reliability

  • Non-Recoverable Errors
    1 per 10^15
  • MTBF
    2,500,000 hours

General

  • Manufacturer
    Western Digital Corp.